“It is difficult to posit a physiological basis for this EEG [brain] activity given that it occurs after a prolonged loss of circulation.”

Canadian scientists

The research paper, published in the Canadian Journal for Neurological Science, reads: "In one patient, single delta wave bursts persisted following the cessation of both the cardiac rhythm and arterial blood pressure (ABP).

“It is difficult to posit a physiological basis for this EEG [brain] activity given that it occurs after a prolonged loss of circulation.”